Lab Report 6

# Lab Report 6 - EXPERIMENT M11 ROTATIONAL DYNAMICS We first...

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M ( steel ) = 1354.50 g M ( hanger ) = 17.00 g Height ( h ) = 90.00 cm R = 6.32 cm r = 1.23 cm V-1 mass used ( g ) m ( total ) (g) t 1 (s) t 2 ( s ) t 3 ( s ) t 4 ( s ) t 5 ( s ) t 6 ( s ) t` ( s ) 0 17 22.56 23.12 23.09 23.12 23.12 23.91 23.15 5 22 17.00 16.97 17.03 16.91 16.89 16.78 16.93 10 27 13.97 13.94 13.91 13.56 13.90 13.75 13.84 15 32 11.44 11.84 11.66 12.01 11.72 11.83 11.75 20 37 10.91 10.81 10.76 10.94 10.81 10.91 10.86 VI -1 2 * h t ^ 2 = 0.335773 cm / s^2 2 * h t ^ 2 = 0.627998 cm / s^2 2 * h t ^ 2 = 0.93995 cm / s^2 From this data, I calculated the acceleration of the hanger for each occasion We first measured the weights of the disk and the hanger separately. Then we found the radii of the objects been used We placed a given mass on the hanger, and then released it and let the hanger fall under gravity. We measure the time it took to hit the ground. For the given mass we took six measurements, and found the average time. We then repeated the experiment for 5 different masses = = = Acceleration " a " with 0 mass used Acceleration " a " with 5g mass used Acceleration " a " with 10g mass used EXPERIMENT M11 ROTATIONAL DYNAMICS

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2 * h t ^ 2 = 1.303757 cm / s^2 2 * h t ^ 2 = 1.527142 cm / s^2 The graph is expected to pass through the origin, but in this case it does not. A number of
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Lab Report 6 - EXPERIMENT M11 ROTATIONAL DYNAMICS We first...

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